Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
How To Proceed With Troubleshooting
HINT:
In accordance with the following procedures, troubleshoot the audio and visual system.
- VEHICLE BROUGHT TO WORKSHOPÂ
- INSPECT BATTERY VOLTAGEÂ
Standard Voltage:Â
11 to 14 VÂ
If the voltage is below 11V, recharge or replace the battery before proceeding.
- BASIC INSPECTIONÂ
- Turn the ignition switch to ACC.
- Check whether the display appears on the radio receiver.RESULT
Result Proceed to Display appears A Display does not appear B
B:Â PROCEED TO PROBLEM SYMPTOMS TABLEÂ
A: Go to Next StepÂ
- PROBLEM SYMPTOMS TABLEÂ RESULT
Result Proceed to Fault not listed in problem symptoms table A Fault listed in problem symptoms table B B: Go to step  6
A: Go to Next StepÂ
- OVERALL ANALYSIS AND TROUBLESHOOTINGÂ
- Terminals of ECU (See TERMINALS OF ECUÂ )
- ADJUST, REPAIR OR REPLACEÂ
- CONFIRMATION TESTÂ
NEXT: ENDÂ
NO RELATED
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.